但说实话，我已经不记得是什么了，因为我很少用它。

I think it is because of the rarely used language features.

youdao

尽管我有车，但因为塞车我很少用它，一个选择就是骑自行车外出，但那样很危险。

Although I have a car, I seldom use it because of the traffic jams. One choice is to go by bicycle, but that can be quite dangerous.

youdao